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SubjectRe: [RFC PATCH 2/4] iommu/vt-d: Add first level page table interfaces
On Mon, Sep 23, 2019 at 08:24:52PM +0800, Lu Baolu wrote:
> This adds functions to manipulate first level page tables
> which could be used by a scalale mode capable IOMMU unit.

s/scalale/scalable

>
> intel_mmmap_range(domain, addr, end, phys_addr, prot)

Maybe think of a different name..? mmmap seems a bit weird :-)

> - Map an iova range of [addr, end) to the physical memory
> started at @phys_addr with the @prot permissions.
>
> intel_mmunmap_range(domain, addr, end)
> - Tear down the map of an iova range [addr, end). A page
> list will be returned which will be freed after iotlb
> flushing.
>
> Cc: Ashok Raj <ashok.raj@intel.com>
> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
> Cc: Kevin Tian <kevin.tian@intel.com>
> Cc: Liu Yi L <yi.l.liu@intel.com>
> Cc: Yi Sun <yi.y.sun@linux.intel.com>
> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>

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